Deder in Summer
In summer (June, July and August), Deder sees average daytime highs around 23°C and overnight lows near 14°C, with 274 mm of rain over about 54 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 23% of the time across summer, and the air most often feels comfortable.
Summer is Deder's weakest season of the year to visit on our travel score. For the whole year in context, see Deder's year-round climate.
- Avg daytime high
- 23°C
- coldest season of the year
- Avg overnight low
- 14°C
- Rainfall
- 274 mm
- 54 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.6
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Deder in Summer
Across summer, daytime highs hold fairly steady around 23°C.
A typical summer day in Deder reaches about 23°C and drops to 14°C overnight. The warmest of the three months is June, the coolest July.
Deder weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 12° | 18 | 3.8 | 11.5 | 8.3 |
| Feb | 25° / 14° | 25 | 4.1 | 11.7 | 8.0 |
| Mar | 25° / 15° | 90 | 10.4 | 11.9 | 6.9 |
| Apr | 24° / 15° | 185 | 18.4 | 12.2 | 5.6 |
| May | 24° / 15° | 250 | 22.9 | 12.4 | 5.0 |
| Jun | 24° / 15° | 75 | 15 | 12.5 | 6.1 |
| Jul | 23° / 14° | 94 | 19 | 12.5 | 5.5 |
| Aug | 22° / 14° | 106 | 20 | 12.3 | 5.3 |
| Sep | 23° / 15° | 89 | 16.4 | 12.1 | 5.9 |
| Oct | 23° / 13° | 100 | 13 | 11.8 | 6.6 |
| Nov | 23° / 12° | 40 | 5.1 | 11.6 | 7.9 |
| Dec | 23° / 12° | 17 | 2.9 | 11.5 | 8.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 23% of the time across summer.
Chance of precipitation in Summer
Deder gets around 274 mm of rain over 54 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 30 min in early June to 12 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.3 kWh/m².
Hazard calendar for Deder
None of Deder's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Deder's rainy season runs April–May, when most of the year's rain falls.
Is summer a good time to visit Deder?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Deder for sightseeing.
What to pack for Deder in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Deder sees daytime highs around 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 54 days see rain.
UV index in Deder in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Deder peaks around March 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 15 | 16 | 15 | 13 | 12 | 11 | 14 | 13 | 13 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Deder in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Deder is worst in November — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 27 | 27 | 26 | 22 | 21 | 24 | 23 | 19 | 21 | 27 | 28 | 28 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 27 | Moderate |
| Feb | 27 | Moderate |
| Mar | 26 | Moderate |
| Apr | 22 | Moderate |
| May | 21 | Moderate |
| Jun | 24 | Moderate |
| Jul | 23 | Moderate |
| Aug | 19 | Moderate |
| Sep | 21 | Moderate |
| Oct | 27 | Moderate |
| Nov | 28 | Moderate |
| Dec | 28 | Moderate |
Where is Deder?
Deder sits at 9.3°N, 41.4°E, 2,330 m above sea level, in Ethiopia. The nearest listed city is Chelenko, 16 km away.
Topography around Deder
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Deder.
Within 3 km, the terrain around Deder has large variations in elevation — a maximum elevation change of 794 m around an average of 2,304 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,641 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,673 m.
The land around Deder is covered by cropland (48%) and shrubs (38%) within 3 km, shrubs (54%) and cropland (41%) within 16 km, and shrubs (57%) and grassland (20%) within 80 km.
Ethiopia travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type C / E / F / L
- 220 V · 50 Hz
- Prices
- ≈ 37% of US
- price level, 2025
- GDP per capita
- $933
- 2025
- Happiness
- 4.0 / 10
- World Happiness, 2025
- Safe drinking water
- 14%
- of population, 2024
- Homicide rate
- 8.5
- per 100k, 2012
- Road deaths
- 28.2
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Low
- EF EPI 499
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Deder (9.3117°, 41.443°, elevation 2,330 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.